4810-00-322-6901 PISTON,VALVE Index 5310-00-322-6903 WASHER,SHOULDERED

National Stock Number:
3120-00-322-6902

Federal Supply Class:
3120

National Item Identification Number:
003226902

Description:
BEARING,WASHER,THRUST

Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.


Manufacturer Information:
5554DS11859HUNT VALVE COMPANY, INC.
5554DS29709HUNT VALVE COMPANY, INC.
571-4824-1486599REVAPC554DS53711NAVAL SEA SYSTEMS COMMAND
576-4824-1506669REVAPC5554DS53711NAVAL SEA SYSTEMS COMMAND
576-4824-1506669REVAPC5554DS80064NAVAL SHIP SYSTEMS COMMAND
571-4824-1486599REVAPC554DS80064NAVAL SHIP SYSTEMS COMMAND
5954-21SALT5PC5554DS11859HUNT VALVE COMPANY, INC.
6743PC554DS11859HUNT VALVE COMPANY, INC.
6745PC5554DS11859HUNT VALVE COMPANY, INC.
6745PC5554DS29709HUNT VALVE COMPANY, INC.
6743PC554DS29709HUNT VALVE COMPANY, INC.
5954-21SALT5PC5554DS29709HUNT VALVE COMPANY, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER1.0625 INCHES NOMINAL
OUTSIDE DIAMETER1.9375 INCHES NOMINAL
OVERALL THICKNESS0.4375 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORROUND
SURFACE CONDITIONGROUND


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